236 lines
6.2 KiB
Lua
236 lines
6.2 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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TA2 Steam Engine Flywheel
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]]--
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-- for lazy programmers
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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local S = techage.S
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local STANDBY_TICKS = 4
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local COUNTDOWN_TICKS = 4
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local CYCLE_TIME = 2
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local PWR_CAPA = 25
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local Axle = techage.Axle
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local power = techage.power
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local function formspec(self, pos, mem)
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return "size[8,7]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"image[6,0.5;1,2;"..power.formspec_power_bar(PWR_CAPA, mem.provided).."]"..
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"image_button[5,1;1,1;".. self:get_state_button_image(mem) ..";state_button;]"..
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"button[2,1.5;2,1;update;"..S("Update").."]"..
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"list[current_player;main;0,3;8,4;]"..
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default.get_hotbar_bg(0, 3)
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end
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local function can_start(pos, mem, state)
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return (mem.firebox_trigger or 0) > 0 -- by means of firebox
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end
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local function start_node(pos, mem, state)
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mem.generating = true -- needed for power distribution
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techage.switch_axles(pos, true)
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mem.handle = minetest.sound_play("techage_steamengine", {
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pos = pos,
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gain = 0.5,
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max_hear_distance = 10})
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power.generator_start(pos, mem, PWR_CAPA)
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end
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local function stop_node(pos, mem, state)
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mem.generating = false
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techage.switch_axles(pos, false)
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if mem.handle then
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minetest.sound_stop(mem.handle)
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mem.handle = nil
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end
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power.generator_stop(pos, mem)
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mem.provided = 0
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end
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local State = techage.NodeStates:new({
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node_name_passive = "techage:flywheel",
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node_name_active = "techage:flywheel_on",
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cycle_time = CYCLE_TIME,
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standby_ticks = STANDBY_TICKS,
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formspec_func = formspec,
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can_start = can_start,
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start_node = start_node,
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stop_node = stop_node,
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})
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local function node_timer(pos, elapsed)
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local mem = tubelib2.get_mem(pos)
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if mem.generating then
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mem.firebox_trigger = (mem.firebox_trigger or 0) - 1
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if mem.firebox_trigger <= 0 then
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State:nopower(pos, mem)
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mem.generating = false
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techage.switch_axles(pos, false)
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power.generator_stop(pos, mem)
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mem.provided = 0
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techage.transfer(pos, "L", "stop", nil, nil, {"techage:cylinder_on"})
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else
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mem.provided = power.generator_alive(pos, mem)
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State:keep_running(pos, mem, COUNTDOWN_TICKS)
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mem.handle = minetest.sound_play("techage_steamengine", {
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pos = pos,
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gain = 0.5,
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max_hear_distance = 10})
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end
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end
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return State:is_active(mem)
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end
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local function on_receive_fields(pos, formname, fields, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return
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end
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local mem = tubelib2.get_mem(pos)
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State:state_button_event(pos, mem, fields)
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if fields.update then
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M(pos):set_string("formspec", formspec(State, pos, mem))
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end
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end
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local function on_rightclick(pos)
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local mem = tubelib2.get_mem(pos)
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M(pos):set_string("formspec", formspec(State, pos, mem))
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if mem.generating then
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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end
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end
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minetest.register_node("techage:flywheel", {
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description = S("TA2 Flywheel"),
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tiles = {
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-- up, down, right, left, back, front
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"techage_filling_ta2.png^techage_frame_ta2.png",
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"techage_filling_ta2.png^techage_frame_ta2.png",
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"techage_filling_ta2.png^techage_axle_clutch.png^techage_frame_ta2.png",
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"techage_filling_ta2.png^techage_appl_open.png^techage_frame_ta2.png",
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"techage_filling_ta2.png^techage_frame_ta2.png^techage_flywheel.png",
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"techage_filling_ta2.png^techage_frame_ta2.png^techage_flywheel.png^[transformFX]",
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},
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on_construct = tubelib2.init_mem,
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after_place_node = function(pos, placer)
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local mem = tubelib2.get_mem(pos)
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State:node_init(pos, mem, "")
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on_rightclick(pos)
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end,
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on_receive_fields = on_receive_fields,
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on_rightclick = on_rightclick,
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on_timer = node_timer,
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paramtype2 = "facedir",
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groups = {cracky=2, crumbly=2, choppy=2},
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on_rotate = screwdriver.disallow,
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("techage:flywheel_on", {
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description = S("TA2 Flywheel"),
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tiles = {
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-- up, down, right, left, back, front
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"techage_filling_ta2.png^techage_frame_ta2.png",
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"techage_filling_ta2.png^techage_frame_ta2.png",
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{
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image = "techage_filling4_ta2.png^techage_axle_clutch4.png^techage_frame4_ta2.png",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 0.6,
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},
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},
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"techage_filling_ta2.png^techage_appl_open.png^techage_frame_ta2.png",
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{
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image = "techage_filling8_ta2.png^techage_frame8_ta2.png^techage_flywheel8.png",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 1.2,
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},
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},
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{
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image = "techage_filling8_ta2.png^techage_frame8_ta2.png^techage_flywheel8.png^[transformFX]",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 1.2,
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},
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},
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},
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on_receive_fields = on_receive_fields,
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on_rightclick = on_rightclick,
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on_timer = node_timer,
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drop = "",
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paramtype2 = "facedir",
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groups = {not_in_creative_inventory=1},
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diggable = false,
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on_rotate = screwdriver.disallow,
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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techage.power.register_node({"techage:flywheel", "techage:flywheel_on"}, {
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conn_sides = {"R"},
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power_network = Axle,
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})
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techage.register_node({"techage:flywheel", "techage:flywheel_on"}, {
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on_transfer = function(pos, in_dir, topic, payload)
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local mem = tubelib2.get_mem(pos)
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if topic == "trigger" then
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mem.firebox_trigger = 3
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if mem.generating then
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return math.max((mem.provided or PWR_CAPA) / PWR_CAPA, 0.1)
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else
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return 0
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end
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end
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end
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})
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minetest.register_craft({
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output = "techage:flywheel",
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recipe = {
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{"basic_materials:steel_bar", "dye:red", "default:wood"},
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{"", "basic_materials:gear_steel", "techage:axle"},
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{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
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},
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})
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techage.register_entry_page("ta2", "flywheel",
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S("TA2 Flywheel"),
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S("Part of the steam engine. Has to be placed side by side with the TA2 Cylinder.@n"..
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"Used to turn on/off the steam engine. Connect the Flywheel with your TA2 machines "..
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"by means of Axles and Gearboxes.@n"..
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"(see Steam Engine)"), "techage:flywheel")
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